凯发k8国际

汽油分析解决方案

汽油，是从石油里分馏、裂解出来的具有挥发性、可燃性的烃类混合物液体，可用作燃料。生产无铅汽油是为了改善汽车排放物中含铅物对环境的污染。在汽油中加入醚类、醇类和其它含氧化合物可以提高辛烷值、降低挥发性。但是加入含氧化合物的类型和浓度都有严格规定，并应加以调整，以便达到商品汽油的质量要求。ASTM D4815（NB/SH/T 0663）标准方法用于汽油生产质量控制，也可用于测定汽油中有意或额外加入的含氧化合物或污染物的含量。在汽油的生产中应调整苯及总芳烃的含量，以便达到商品汽油的质量要求。标准ASTM D5580（SH/T 0693）用于测定成品汽油中的苯、甲苯、乙苯、二甲苯、C9以上芳烃及总芳烃的含量。

方案总览

 

  • 系统气相Nexis GC-2030
    系统气相Nexis GC-2030
  • 系统气相GC-2014系列
    系统气相GC-2014系列
  •  系统气相 GC-2010系列
    系统气相GC-2010系列

 

典型分析方案 阀/色谱柱 检测器 分析组分 标准
汽油中含氧化合物及总芳烃分析方案 1/2 FID

含氧化合物：
MTBE、TAME、DIPE、甲醇、乙醇、异丙醇、正丙醇、异丁醇、叔丁醇、仲丁醇、正丁醇、叔戊醇
芳烃：
苯、甲苯、乙苯、二甲苯、C9以上芳烃

ASTM D4815, D5580（SH/T 0663、0693）

 

汽油中含氧化合物及总芳烃方案
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